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Joan K Armstrong

Joan K Armstrong
Real Estate Agent (Associate Broker)
Atlanta GA

Associate Broker (GA: 239333)

27 years experience

REALTOR® 6 Active Listings Serves Dekalb County, GA
View on Realtor.com

Contact Information

Brokerage
Northgroup Real Estate

Office Website
Office Address
804 Town Blvd
Atlanta, GA  30319
(Dekalb County)
Office Phone
980-447-1771
Office Fax
404-419-3501
Mobile
678-886-5146
Email
jkar*******@*******.com
Show Email for $5

Service Areas

Milton: GA Alpharetta: GA Roswell: GA Johns Creek: GA Suwanee: GA Sugar Hill: GA Duluth: GA Druid Hills: GA Atlanta: GA Scottdale: GA North Decatur: GA North Druid Hills: GA Stonecrest: GA Snellville: GA Lawrenceville: GA Dacula: GA Mountain Park: GA Pine Lake: GA Tucker: GA Stone Mountain: GA Mountain Park: GA Sandy Springs: GA Berkeley Lake: GA Peachtree Corners: GA Norcross: GA Acworth: GA Kennesaw: GA Gresham Park: GA Belvedere Park: GA Brookhaven: GA Vinings: GA Chamblee: GA South Fulton: GA East Point: GA College Park: GA Dunwoody: GA Doraville: GA Union City: GA Decatur: GA Lithonia: GA

About Joan Armstrong

With over 23 years of experience as a Realtor in Atlanta, this agent has successfully facilitated the sale of more than 1,300 homes throughout the metro area. Recognized among the top five individual agents at Keller Williams Peachtree Road and ranking in the top 1% of Realtors nationwide, they possess a deep understanding of the current market dynamics necessary for achieving swift sales at optimal prices.

Known for providing candid, straightforward guidance, this agent leverages two decades of expertise across various market conditions. They emphasize the importance of presentation and staging, dedicating significant time to ensure each property is showcased to its fullest potential before entering the market. This meticulous approach has resulted in an impressive 98% list-to-sale price ratio for their listings over the past year.

Outside of real estate, they share their life with their husband, Mark Thomas. Their son, Will Armstrong, is a college freshman at the College of Charleston and contributes to the family business during the summer months. Their stepson, Iain Thomas, is an Auburn University graduate currently pursuing a career in real estate, while another stepson, Colin Thomas, holds a master's degree in Clinical Mental Health and works as a therapist at Caron Treatment Center. In their leisure time, this agent enjoys attending sporting events, reading, and following professional sports, particularly tennis and baseball. They are also actively involved with JDRF, supporting research initiatives aimed at finding a cure for type 1 diabetes.

Dekalb County, GA Real Estate Market Analysis (Single Family Homes)

$468,946
Avg. Listing Price
From Joan's portfolio
3.8 / 2.8
Avg. Beds/Baths
Typical property size
2,823 sf
Avg. Square Footage
Interior living space
2886
Active Listings
Current inventory

Dekalb County's real estate market represents one of Georgia's most dynamic and diverse property landscapes, anchored by its strategic position adjacent to Atlanta and supported by a robust network of 5,213 actively licensed real estate agents. This substantial agent population reflects the county's role as a major economic hub, where residential communities, commercial developments, and mixed-use projects create countless opportunities for property transactions across multiple price points and market segments.

The sophistication of Dekalb County's real estate ecosystem is evident in its comprehensive digital connectivity, with all 5,213 licensed agents maintaining email addresses for modern communication and business development. This level of technological adoption signals a market that embraces innovation while serving everything from first-time homebuyers in emerging neighborhoods to high-net-worth clients seeking luxury properties in established enclaves.

Major Dekalb County, Georgia Real Estate Markets

Decatur stands as the county seat and a premier destination for buyers seeking walkable communities with historic charm, while Dunwoody attracts families and professionals with its excellent schools and upscale residential developments. Stone Mountain offers unique recreational amenities that drive both residential and vacation property interest, and Tucker has emerged as a hotspot for young professionals seeking affordable alternatives to Atlanta proper with convenient transit access.

The cities of Chamblee and Doraville have experienced remarkable transformation, evolving from industrial centers into vibrant mixed-use communities that attract diverse populations and innovative businesses. Meanwhile, areas like Brookhaven and parts of unincorporated Dekalb County command premium prices for their proximity to Atlanta's business districts, creating distinct micro-markets that require specialized local expertise to navigate effectively.

Market Dynamics and Geographic Complexity

Dekalb County's real estate market operates across an unusually wide spectrum of property values and buyer demographics, from affordable starter homes in transitioning neighborhoods to multi-million-dollar estates in gated communities. This diversity creates complex pricing dynamics where adjacent zip codes can vary dramatically in market trends, average days on market, and buyer preferences, requiring deep local knowledge to understand and predict.

The county's position within the Atlanta metropolitan area means its real estate patterns are influenced by corporate relocations, infrastructure developments, and regional economic shifts that ripple through different communities at varying speeds. Properties near MARTA stations command different premiums than those in car-dependent areas, while proximity to major employers like the Centers for Disease Control creates unique demand patterns that savvy agents and investors monitor closely.

Why Businesses Need Dekalb County, Georgia Agent Contact Data

Real estate service companies, mortgage lenders, and property technology firms require direct access to Dekalb County's extensive agent network to effectively penetrate this sophisticated market. With 5,213 agents actively working across diverse communities and price points, businesses can segment their outreach by specialization, geographic focus, or transaction volume to maximize their marketing investment and partnership development efforts.

The complete email coverage across all licensed agents enables businesses to implement targeted digital marketing campaigns, announce new services, or recruit top talent with precision and efficiency. Whether launching innovative property management software, expanding mortgage lending operations, or introducing new real estate marketing tools, having verified contact information for this substantial agent population provides the foundation for successful market entry and growth strategies.

Current Property Listings

As of 2/17/2026, Joan Armstrong has 6 properties for sale in Atlanta and surrounding areas.

$231,900

Listed 2025-10-17

3040 Peachtree Rd NW Unit 1310
Atlanta, GA  30305

Beds: 1.0
Baths: 1.0
Sq Ft: 633
Lot: 632 sf
Condos Map
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$475,000

Listed 2026-01-10

2555 Landeau Cir
Tucker, GA  30084

Beds: 4.0
Baths: 3.0
Sq Ft: 1,770
Lot: 17,860 sf
Single Family Map
View Full Details

$464,900

Listed 2026-01-31

1391 Willivee Dr
Decatur, GA  30033

Beds: 3.0
Baths: 2.0
Sq Ft: 2,054
Lot: 9,583 sf
Single Family Map
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$1,100,000

Listed 2025-11-21

4535 Atley Woods Dr SE
Atlanta, GA  30339

Beds: 5.0
Baths: 4.5
Sq Ft: 4,120
Lot: 7,623 sf
Single Family Map
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$1,265,000

Listed 2025-11-21

4276 Smithsonia Dr
Tucker, GA  30084

Beds: 4.0
Baths: 4.5
Sq Ft: 4,396
Lot: 58,370 sf
Single Family Map
View Full Details

$649,900

Listed 2025-12-26

2431 Thawley Pl
Tucker, GA  30084

Beds: 4.0
Baths: 2.5
Sq Ft: 2,746
Lot: 6,098 sf
Single Family Map
View Full Details

Current Property Rentals

Joan Armstrong currently has no rental properties available in Atlanta and surrounding areas. Check back later.